10-5
Keypad Operation Error Codes
LED display
Description
Cause
Possible solutions
LOC
Locked
1.Parameter
already locked
2.Motor direction
locked
3.Parameter
password (13-07)
enabled
Attempt to modify frequency parameter while
13-06>0.
Attempt to reverse direction when 11-00=1
Parameter (13 - 07) enabled, set the correct
password will show LOC.
Adjust 13-06
Adjust 11-00
Err1
Keypad operation
error
Press ▲ or ▼while 00-05/00-06>0 or
running at preset speed.
Attempting to modify a parameter that
cannot be modified during operation (refer to
the parameter list)
The ▲ or▼ is available for
modifying the parameter only
when 00-05/00-06=0
Modify the parameter in STOP
mode.
Err2
Parameter setting
error
00-13 is within the range of (11-08 ±11-11) or
(11-09±11-11) or (11-10±11-11)
00-12
≦
00-13
Set 00-05 and 00-06 to the same value
When 01-
00≠7, modify parameter
01-01~01-09
Modify 11-08~11-10 or
11-11 Set 00-12>00-13
Err4
CPU performed an
illegal interrupt
External noise
Consult factory
Err5
Modification of
parameter is not
available in
communication
Control command sent during communication
Attempt to modify the function 09-02~ 09-05
during communication
Issue enable command before
communication
Set parameters 09-02~09-05
function before communication
Err6
Communication
failed
Wiring error
Communication parameter setting error.
Incorrect communication protocol
Check hardware and wiring
Check Functions(09-00~09- 05)
Err7
Parameter conflict
Attempt to modify parameter 13-00/13-08.
Voltage and current detection circuit not
working properly.
Consult factory if unable to reset
inverter.
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